Available for opportunities

Prasana
Vengatesh S

Data & AI Engineer

3.5+ years building scalable ETL pipelines, cloud data warehouses, and AI-powered automation at TCS. Skilled in Snowflake, DBT, Python, and cloud-native analytics. Currently pursuing M.Tech in CS — diving deep into AI Engineering and LLMs.

3.4+
Years Experience
40%
Manual Effort Reduced
TCS
Former Employer
M.Tech
CS Engineering (2025–27)

Skills & Tools

Technologies I work with across data engineering, cloud platforms, and AI development.

Data Engineering

SnowflakeDBTIBM DataStage ETL PipelinesData Warehousing

Programming

PythonSQL REST API DevPandasNumPy

AI & Analytics

ML FundamentalsAI Workflow Automation Data Analysis

Cloud & Platforms

AWSLinuxWindowsControl-M

DevOps & Testing

GitCI/CD Manual ETL TestingData Validation

3D & Immersive

AR/VRUnreal EngineHTMLCSS

Projects

A growing collection of data engineering and AI engineering work. More projects dropping soon.

Coming Soon
SnowflakeDBTPython

Snowflake DBT Analytics Pipeline

An end-to-end ELT pipeline using Snowflake for cloud warehousing and DBT for modular, tested transformations — covering ingestion, staging, and reporting layers.

Coming Soon
IBM DataStageControl-MSQL

Automated ETL Workflow Orchestration

Batch ETL workflow built with IBM DataStage and scheduled via Control-M — handling data extraction, transformation, validation, and delivery to downstream systems.

Coming Soon
PythonAWSPandas

Python Automation — 40% Effort Reduction

Python scripts for automating repetitive data operations, reducing manual processing effort by 40%. Covers file handling, data validation, and API-based data ingestion workflows.

Coming Soon
LLMRAGPython

RAG-Based Knowledge Assistant

A Retrieval-Augmented Generation system that indexes domain documents and answers natural language queries using vector search and an LLM backend — designed for enterprise knowledge bases.

Coming Soon
MLScikit-learnPandas

ML Pipeline for Data Quality Scoring

A machine learning pipeline that automatically scores incoming data for quality issues — anomaly detection, completeness checks, and schema drift — integrated with existing ETL workflows.

Coming Soon
Generative AIREST APIPython

AI Workflow Automation Agent

An AI agent that automates multi-step data workflows using LLM reasoning and Python tool-calling — reducing manual intervention in data ingestion, transformation, and reporting cycles.

Work Experience

Building enterprise data solutions at Tata Consultancy Services for 3.5+ years.

System Engineer

Aug 2023 – Dec 2024

Tata Consultancy Services, Chennai

  • Worked on Snowflake-based cloud data warehousing, transformation, and ETL optimization projects.
  • Developed and optimized DBT models for scalable analytics, reporting, and data validation.
  • Built Python automation scripts reducing manual operational effort by 40%, improving data processing and operational efficiency.
  • Developed Python APIs and integration solutions for enterprise automation use cases.
  • Implemented Git-based version control and CI/CD practices for deployment, monitoring, and streamlined data engineering workflows.
  • Collaborated with cross-functional teams to deliver scalable, high-performance data engineering solutions.

Assistant System Engineer

Aug 2021 – Jul 2023

Tata Consultancy Services, Chennai

  • Developed and maintained ETL workflows using IBM DataStage.
  • Worked with Snowflake for data migration, transformation, and warehousing solutions.
  • Used Control-M for job scheduling, monitoring, and batch execution.
  • Implemented DBT-based transformation workflows and reusable models.
  • Performed manual ETL testing and data validation for enterprise applications.
  • Supported production deployments, troubleshooting, and process optimization.

Education

2025 – 2027

M.Tech – Computer Science Engineering

SRM Institute of Science and Technology (SRM IST), Trichy

Currently Pursuing

2017 – 2021

B.E – Electronics & Communication Engineering

SRM TRP Engineering College, Trichy

Completed

Certifications

Python Scripting Fundamentals

Technology – Python

2018

Master Certification in AR/VR

Technology – AR/VR (Unreal Engine)

2025

Achievements

Received client appreciation for proactive communication and regular project updates.

Recognized for quickly adapting to new technologies in Python API development.

Recognized for strong learning ability in Snowflake, DBT, and automation technologies.

Demonstrated effective collaboration and stakeholder communication in Agile projects.

Let's build something great together.

Open to Data Engineering, AI Engineering, and cloud analytics roles. Currently pursuing M.Tech and exploring opportunities in AI-driven data platforms.

Location

Musiri, Trichy

Tamil Nadu, India — 621211

Currently

M.Tech in CS Engineering

Pursuing advanced studies in AI Engineering and cloud-native analytics at SRM IST, Trichy